#left,#right{width:400px;height:100px;overflow:hidden;border:3px solid #000;clear:both;padding:0;}#left img,#right img{height:100px;border:0;clear:both;margin:0;}#top,#bottom{width:160px;height:300px;overflow:hidden;border:3px solid #000;clear:both;padding:0;}#top img,#bottom img{width:160px;border:0;clear:both;margin:0;}